80531640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31957}}^1$

素因数の和:31981

約数の個数: 96

約数和(自身を含む): 299126880

約数和(自身を除く): 218595240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 31957, 63914, 95871, 127828, 159785, 191742, 223699, 255656, 287613, 319570, 383484, 447398, 479355, 575226, 639140, 671097, 766968, 894796, 958710, 1118495, 1150452, 1278280, 1342194, 1438065, 1789592, 1917420, 2013291, 2236990, 2300904, 2684388, 2876130, 3355485, 3834840, 4026582, 4473980, 5368776, 5752260, 6710970, 8053164, 8947960, 10066455, 11504520, 13421940, 16106328, 20132910, 26843880, 40265820, 80531640]

約数ペア:

[(1, 80531640), (2, 40265820), (3, 26843880), (4, 20132910), (5, 16106328), (6, 13421940), (7, 11504520), (8, 10066455), (9, 8947960), (10, 8053164), (12, 6710970), (14, 5752260), (15, 5368776), (18, 4473980), (20, 4026582), (21, 3834840), (24, 3355485), (28, 2876130), (30, 2684388), (35, 2300904), (36, 2236990), (40, 2013291), (42, 1917420), (45, 1789592), (56, 1438065), (60, 1342194), (63, 1278280), (70, 1150452), (72, 1118495), (84, 958710), (90, 894796), (105, 766968), (120, 671097), (126, 639140), (140, 575226), (168, 479355), (180, 447398), (210, 383484), (252, 319570), (280, 287613), (315, 255656), (360, 223699), (420, 191742), (504, 159785), (630, 127828), (840, 95871), (1260, 63914), (2520, 31957)]